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To clean your grey water tank:
• Fill your grey tank at least half way full with clean water. Add an RV grey water tank cleaning soluon/ tablet and follow the
instrucons for that product or use dish soap or laundry detergent 1/2– 1 cup.
• Do NOT use bleach as it will corrode your tank, seals and gaskets. Any damage caused by using bleach is not covered under
warranty.
• Take your OP15 for a spin to allow the grey water to slosh around and clean the inside of your tank and the tank sensors fully.
• You can then drain the grey water tank as above and we suggest rinsing it using a wand-style rinser aerwards.
• Following cleaning, use an RV grey water tank treatment to help dissolve grease and soap build up and prevent odors. We
suggest using a natural, biodegradable enzyme based product that is formaldehyde-free such as Energen Grey Water Tank
Treatment.
Black Water Tank
We recommend emptying your black tank when it is at least 1/2 to 3/4 full and aer every camping trip. Emptying your tank
sooner may result in solid waste being le behind in your tank; a fuller tank allows more opportunity for breakdown of solid waste.
If you are on-site camping and connecng to a campground sewer we recommend keeping the tanks drain valve closed unl you
need to drain to assisng in purging the tank of solid waste. Follow the OPUS ps for best results when using your OP15 toilet.
Please use cauon when emptying to avoid contact with waste which can carry harmful bacteria. The black tank must ONLY be
disposed of in designated dump staons. Do NOT dump illegally and follow all state and campground guidelines for safe and clean
dumping. Use the black tank drain hose stowed at the rear of the trailer in the holding tube to drain your black tank
A. Remove the black tank hose from the storage tube by twisng the cap o
B. Connect the drain hose to the drain valve by twisng on to receiver hooks
C. Ensure the other end of the drain hose is directed into the appropriate dump point.
D. To empty, pull the valve to open.
E. Leave the valve open unl you can no longer hear liquid waste draining then close the valve completely. Close the valve at this point
WARNING: Do NOT leave waste in your tank during storage. Always remember to close the drain valve aer draining the black
tank and before removing the drain hose.
We recommend that you clean your black tank regularly and aer draining. This will help to prevent build up of harmful bacteria,
solids and odors as well as helping to keep your tank sensors clean and clear of obstrucon.
Do NOT use bleach to clean your black water tank as it can cause corrosion.
To clean your black tank:
• Drain and dump any waste by following the steps above
• Take measures to remove any build up from the tank walls. We recommend wand-style rinsers such as the Camco Swivel Sk
that can be used with the toilet drain open to access the black tank.
• Use a treatment product to clean your black tank. We recommend using a biodegradable, eco-friendly product that is enzyme-
based. Please take care to ensure your treatment is formaldehyde-free—many dumping regulaons now require this as
standard. Follow the instrucons on your chosen cleaning treatment to ensure the appropriate diluon as required. If you
need to add water for your chosen product, you can do this by lling and ushing the toilet bowl several mes.
• If your sensors are not reading accurately and ushing the tank does not resolve the problem, tank sensor cleaning products
are available to help remove buildup.
• Your drain hose should also be regularly cleaned and sanized.
Winterizing your grey and black water systems:
• Fully drain an clean the grey and black water tank following the above steps. Close your drain valves aer draining.
• Flush RV winterizing uid down your bathroom sink, shower drain and toilet (without ushing; ensure the drain valve is
closed).
• Winterizing uid can remain in the tanks while in storage.
• IMPORTANT! Monitor water temperatures closely in severe cold in case you must take the steps to drain and winterize your
water systems whilst camping
OPUS CARE & MAINTENANCE cont.
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